irritated
adj. B2 Upper Intermediate US //ˈɪɹəˌteɪtəd// UK //ˈɪɹɪtˌeɪtɪd// ir·ri·tat·ed
adj. feeling slightly angry or annoyed about something. You might feel this way when someone keeps making a loud noise or when you have to wait a long time.
adj. feeling a state of slight anger, impatience, or annoyance. Often used predicatively after linking verbs such as 'feel', 'become', or 'look'.
He felt irritated by the constant noise outside.
She became increasingly irritated when the bus failed to arrive after thirty minutes of waiting in the rain.
The manager grew visibly irritated as the presentation was repeatedly interrupted by technical glitches and minor logistical errors.
Usage
Often follows linking verbs like 'feel' or 'seem'; typically takes the preposition 'by' or 'at' to indicate the source of annoyance.